In the following screen you will see your license(s) listed (which are not activated or released for reactivation) Select the TSX Scan License and click "Activate/ Download license"

Now the hardware information of your system will be copied to the web server, which create the new license file.PEASE NOTE! You have to enable and allow pop-ups and automatic download from "Thinstuff.com" otherwise you will miss the download and the following invitation: